Diapers companies need feedback on their products and work with market research companies to conduct product studies. Right now, get a FREE 2-week supply of baby diapers from a top brand through Mindfield. Just sign-up for FREE and confirm your email to be eligible. Then watch for an email asking about your baby’s diaper size. They will ship you the diapers for FREE and they will even pay you when you give your feedback on the diapers!